278311770

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{3851}}^1$

素因数の和:3948

約数の個数: 96

約数和(自身を含む): 800414784

約数和(自身を除く): 522103014

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 73, 90, 99, 110, 146, 165, 198, 219, 330, 365, 438, 495, 657, 730, 803, 990, 1095, 1314, 1606, 2190, 2409, 3285, 3851, 4015, 4818, 6570, 7227, 7702, 8030, 11553, 12045, 14454, 19255, 23106, 24090, 34659, 36135, 38510, 42361, 57765, 69318, 72270, 84722, 115530, 127083, 173295, 211805, 254166, 281123, 346590, 381249, 423610, 562246, 635415, 762498, 843369, 1270830, 1405615, 1686738, 1906245, 2530107, 2811230, 3092353, 3812490, 4216845, 5060214, 6184706, 8433690, 9277059, 12650535, 15461765, 18554118, 25301070, 27831177, 30923530, 46385295, 55662354, 92770590, 139155885, 278311770]

約数ペア:

[(1, 278311770), (2, 139155885), (3, 92770590), (5, 55662354), (6, 46385295), (9, 30923530), (10, 27831177), (11, 25301070), (15, 18554118), (18, 15461765), (22, 12650535), (30, 9277059), (33, 8433690), (45, 6184706), (55, 5060214), (66, 4216845), (73, 3812490), (90, 3092353), (99, 2811230), (110, 2530107), (146, 1906245), (165, 1686738), (198, 1405615), (219, 1270830), (330, 843369), (365, 762498), (438, 635415), (495, 562246), (657, 423610), (730, 381249), (803, 346590), (990, 281123), (1095, 254166), (1314, 211805), (1606, 173295), (2190, 127083), (2409, 115530), (3285, 84722), (3851, 72270), (4015, 69318), (4818, 57765), (6570, 42361), (7227, 38510), (7702, 36135), (8030, 34659), (11553, 24090), (12045, 23106), (14454, 19255)]